//javaScript
function va(form){
 var bname= document.getElementById("bname1").value;
 var author= document.getElementById("author1").value;
 var price= document.getElementById("price1").value;
 var borrower= document.getElementById("borrower1").value;

 if(uname!=""){
    alert('添加成功');
    
    return true;
  }
  alert('添加失败');
  return false;
 }